On June 15, 2015 7:31:37 PM GMT+02:00, Marc Glisse <marc.gli...@inria.fr> wrote:
>On Mon, 15 Jun 2015, Martin Liška wrote:
>
>> Ah, I overlooked that it's not a placement new, but just static
>casting.
>> Anyway, if I added:
>>
>> cselib_val () {}
>>
>> to struct cselib_val and changed the cast to placement new:
>> char *ptr = (char *) header;
>> return new (ptr) T ();
>>
>> I got following compilation error:
>>
>> In file included from ../../gcc/alias.c:46:0:
>> ../../gcc/alloc-pool.h: In instantiation of ‘T*
>pool_allocator<T>::allocate() [with T = cselib_val]’:
>> ../../gcc/cselib.h:51:27: required from here
>> ../../gcc/alloc-pool.h:416:23: error: no matching function for call
>to ‘cselib_val::operator new(sizetype, char*&)’
>> return new (ptr) T ();
>> ^
>> In file included from ../../gcc/alias.c:47:0:
>> ../../gcc/cselib.h:49:16: note: candidate: static void*
>cselib_val::operator new(size_t)
>> inline void *operator new (size_t)
>> ^
>> ../../gcc/cselib.h:49:16: note: candidate expects 1 argument, 2
>provided
>
>#include <new>
Please include that from system.h
Richard.
